🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 14.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.57 AU - 0.87 AU

Year: 388 Days

Day: 12.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,674,967 km

• M1: 178,021 km (0.12 R)
• M2: 630,256 km (0.097 R)
• M3: 1,452,446 km (0.076 R)
• M4: 1,973,495 km (0.101 R)
• M5: 2,970,715 km (0.096 R)
• M6: 3,758,796 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 9.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.55 AU - 2.39 AU

Year: 1758 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 128.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,674,967 km

• M1: 114,592 km (0.119 R)
• M2: 771,626 km (0.111 R)
• M3: 1,290,581 km (0.092 R)
• M4: 2,842,060 km (0.081 R)
• M5: 3,336,481 km (0.031 R)
• M6: 3,668,589 km (0.118 R)
• M7: 4,255,611 km (0.03 R)
• M8: 5,316,409 km (0.115 R)
• M9: 6,048,541 km (0.101 R)
• M10: 8,171,933 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 13.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.91 AU - 3.11 AU

Year: 2528 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,674,967 km

• M1: 166,652 km (0.105 R)
• M2: 706,850 km (0.109 R)
• M3: 1,301,801 km (0.114 R)
• M4: 2,332,081 km (0.061 R)
• M5: 3,199,898 km (0.094 R)
• M6: 3,880,718 km (0.115 R)
• M7: 4,409,996 km (0.069 R)
• M8: 4,856,844 km (0.088 R)
• M9: 6,540,120 km (0.111 R)
• M10: 7,895,177 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.5

Radius: 12.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.45 AU - 4.09 AU

Year: 4654 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 51.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,674,967 km

• M1: 175,329 km (0.107 R)
• M2: 964,158 km (0.075 R)
• M3: 1,576,313 km (0.119 R)
• M4: 2,193,703 km (0.096 R)
• M5: 2,887,837 km (0.105 R)
• M6: 4,345,519 km (0.11 R)
• M7: 5,618,597 km (0.088 R)
• M8: 6,521,719 km (0.071 R)
• M9: 8,414,880 km (0.056 R)
• M10: 11,165,237 km (0.088 R)
• M11: 11,696,609 km (0.074 R)
• M12: 12,898,628 km (0.055 R)
• M13: 13,946,261 km (0.084 R)
• M14: 14,951,559 km (0.085 R)
• M15: 19,169,621 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.1

Radius: 3.4

Gravity: 73.19 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.12 AU - 9.18 AU

Year: 13453 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,674,967 km

• M1: 73,153 km (0.118 R)
• M2: 257,907 km (0.063 R)
• M3: 432,487 km (0.05 R)
• M4: 574,007 km (0.115 R)
• M5: 897,288 km (0.085 R)
• M6: 1,032,674 km (0.086 R)
• M7: 1,330,673 km (0.073 R)
• M8: 1,476,980 km (0.115 R)
• M9: 1,633,908 km (0.098 R)
• M10: 1,999,974 km (0.067 R)
• M11: 7,410,929 km (0.065 R)
• M12: 7,547,063 km (0.048 R)
• M13: 7,777,743 km (0.104 R)
• M14: 8,448,689 km (0.114 R)
• M15: 9,053,663 km (0.046 R)
• M16: 12,262,687 km (0.09 R)
• M17: 12,905,659 km (0.117 R)
• M18: 13,570,920 km (0.102 R)
• M19: 16,384,258 km (0.089 R)
• M20: 21,068,167 km (0.062 R)
• M21: 21,341,632 km (0.116 R)
• M22: 29,084,070 km (0.118 R)
• M23: 29,423,059 km (0.094 R)
• M24: 30,572,120 km (0.073 R)
• M25: 32,110,285 km (0.084 R)
• M26: 37,032,504 km (0.115 R)
• M27: 39,464,666 km (0.093 R)
• M28: 40,438,698 km (0.087 R)
• M29: 41,144,052 km (0.098 R)
• M30: 46,929,899 km (0.111 R)
• M31: 52,563,605 km (0.075 R)
• M32: 55,802,699 km (0.051 R)
• M33: 60,999,130 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 15,953 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit